03 December, 2025PACCAR MX (2004 Emissions) Fault Code: P060A PCI ECU – Internal Error PACCAR MX (2004 Emissions) Fault Code: P060A PCI ECU – Internal Error SET CONDITIONS:The PCI ECU (D420) detects that the programmed software in the ECU is not functioning correctly. DIAGNOSTIC CONDITION:This diagnostic runs continuously when the ignition is on. RESET CONDITION:This DTC changes to inactive when the fault is no longer detected. POSSIBLE CAUSES:Reprogram the ECU Compartir en Facebook Se abre en una nueva ventana. Compartir en Twitter Se abre en una nueva ventana. Guardar en Pinterest Se abre en una nueva ventana. Regresar al blog